Beer keg



FIG. 1 is a perspective view showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view of a second embodiment of the beer keg similar to that shown in FIG. 1;

FIG. 8 is a side elevational view of the second embodiment of the beer keg;

FIG. 9 is a top plan view of the second embodiment; and,

FIG. 10 is a bottom plan view of the second embodiment. 

The ornamental design for a beer keg, as shown and described. 